Here's a cool tool you can make yourself: a tap line for your Jeep fuel injector rail that you can use to pump gasoline.
During and after Hurricane Frances we were having to get 15 gallons/day of fuel into a portable generator, and shuttling that much via small cans was a chore, and for a while gasoline was rationed so that you weren't allowed to even fill portable containers, although you could fill your vehicle tank.
After I discovered that my 2003 TJ, like most modern cars, will not admit a siphon tube into the fuel filler neck, I thought about using the service port on the fuel injector rail. Turns out this is a standard
1/4" flare fitting, which is the same used on the old R12 refrigerant charging hoses. I took one of those hoses from the auto parts store, cut it in half, and spliced in a length of 1/4" polyethylene tubing with a brass hose repair coupler.Running the engine at idle, this delivers 1/2 gallon/minute through the hose. On my car, the pump runs only when the engine is running. At least at idle, tapping off the fuel doesn't seem to affect the engine's needs. With the engine off, you can attach and remove the hose without spilling more than a few drops that you can catch with a rag.
I've disconnected, coiled, and stowed this hose inside the engine compartment using some cable ties, where it's ready to supply fuel in an emergency.
Seems like with a shut-off valve, this could also avoid the need to store gasoline in the garage for lawn mowers and such.